Flutter crash report; please file at https://github.com/flutter/flutter/issues.

## command

flutter --no-color packages get

## exception

YamlException: Error on line 44, column 4: Expected a key while parsing a block mapping.
   ╷
44 │    assets:
   │    ^
   ╵

```
#0      Parser._parseBlockMappingKey (package:yaml/src/parser.dart:441:5)
#1      Parser._stateMachine (package:yaml/src/parser.dart:86:16)
#2      Parser.parse (package:yaml/src/parser.dart:47:19)
#3      Loader._loadMapping (package:yaml/src/loader.dart:169:23)
#4      Loader._loadNode (package:yaml/src/loader.dart:86:16)
#5      Loader._loadMapping (package:yaml/src/loader.dart:163:19)
#6      Loader._loadNode (package:yaml/src/loader.dart:86:16)
#7      Loader._loadDocument (package:yaml/src/loader.dart:62:20)
#8      Loader.load (package:yaml/src/loader.dart:54:20)
#9      loadYamlDocument (package:yaml/yaml.dart:51:25)
#10     loadYamlNode (package:yaml/yaml.dart:42:5)
#11     loadYaml (package:yaml/yaml.dart:34:5)
#12     FlutterManifest.createFromString (package:flutter_tools/src/flutter_manifest.dart:38:28)
#13     FlutterManifest.createFromPath (package:flutter_tools/src/flutter_manifest.dart:32:12)
#14     FlutterProject._readManifest (package:flutter_tools/src/project.dart:180:54)
#15     FlutterProjectFactory.fromDirectory (package:flutter_tools/src/project.dart:35:53)
#16     FlutterProject.fromDirectory (package:flutter_tools/src/project.dart:65:78)
#17     FlutterProject.fromPath (package:flutter_tools/src/project.dart:73:50)
#18     PackagesGetCommand.usageValues (package:flutter_tools/src/commands/packages.dart:80:55)
<asynchronous suspension>
#19     FlutterCommand._sendUsage (package:flutter_tools/src/runner/flutter_command.dart:410:58)
<asynchronous suspension>
#20     FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:392:17)
<asynchronous suspension>
#21     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:153:29)
<asynchronous suspension>
#22     _rootRun (dart:async/zone.dart:1124:13)
#23     _CustomZone.run (dart:async/zone.dart:1021:19)
#24     _runZoned (dart:async/zone.dart:1516:10)
#25     runZoned (dart:async/zone.dart:1463:12)
#26     AppContext.run (package:flutter_tools/src/base/context.dart:152:18)
<asynchronous suspension>
#27     FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:375:20)
#28     CommandRunner.runCommand (package:args/command_runner.dart:197:27)
<asynchronous suspension>
#29     FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:396:21)
<asynchronous suspension>
#30     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:153:29)
<asynchronous suspension>
#31     _rootRun (dart:async/zone.dart:1124:13)
#32     _CustomZone.run (dart:async/zone.dart:1021:19)
#33     _runZoned (dart:async/zone.dart:1516:10)
#34     runZoned (dart:async/zone.dart:1463:12)
#35     AppContext.run (package:flutter_tools/src/base/context.dart:152:18)
<asynchronous suspension>
#36     FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:356:19)
<asynchronous suspension>
#37     CommandRunner.run.<anonymous closure> (package:args/command_runner.dart:112:25)
#38     new Future.sync (dart:async/future.dart:224:31)
#39     CommandRunner.run (package:args/command_runner.dart:112:14)
#40     FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:242:18)
#41     run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:22)
<asynchronous suspension>
#42     _rootRun (dart:async/zone.dart:1124:13)
#43     _CustomZone.run (dart:async/zone.dart:1021:19)
#44     _runZoned (dart:async/zone.dart:1516:10)
#45     runZoned (dart:async/zone.dart:1500:12)
#46     run.<anonymous closure> (package:flutter_tools/runner.dart:60:18)
<asynchronous suspension>
#47     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:153:29)
<asynchronous suspension>
#48     _rootRun (dart:async/zone.dart:1124:13)
#49     _CustomZone.run (dart:async/zone.dart:1021:19)
#50     _runZoned (dart:async/zone.dart:1516:10)
#51     runZoned (dart:async/zone.dart:1463:12)
#52     AppContext.run (package:flutter_tools/src/base/context.dart:152:18)
<asynchronous suspension>
#53     runInContext (package:flutter_tools/src/context_runner.dart:56:24)
<asynchronous suspension>
#54     run (package:flutter_tools/runner.dart:51:10)
#55     main (package:flutter_tools/executable.dart:62:9)
<asynchronous suspension>
#56     main (file:///Users/yanghaibo/flutter/packages/flutter_tools/bin/flutter_tools.dart:8:3)
#57     _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:303:32)
#58     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)
```

## flutter doctor

```
[✓] Flutter (Channel master, v1.8.1-pre.11, on Mac OS X 10.14.5 18F132, locale zh-Hans-CN)
    • Flutter version 1.8.1-pre.11 at /Users/yanghaibo/flutter
    • Framework revision 4cd12fc8b7 (2 days ago), 2019-07-02 18:24:25 -0700
    • Engine revision 7d3e722349
    • Dart version 2.5.0 (build 2.5.0-dev.0.0 67ab3be10d)

[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
    • Android SDK at /Users/yanghaibo/Library/Android/sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-28, build-tools 28.0.3
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1343-b01)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 10.2.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 10.2.1, Build version 10E1001
    • CocoaPods version 1.6.0

[✓] iOS tools - develop for iOS devices
    • ios-deploy 1.9.4

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 3.4)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 37.0.1
    • Dart plugin version 183.6270
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1343-b01)

[!] IntelliJ IDEA Ultimate Edition (version 2018.1.5)
    • IntelliJ at /Applications/IntelliJ IDEA.app
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
    • For information about installing plugins, see
      https://flutter.dev/intellij-setup/#installing-the-plugins

[✓] Connected device (3 available)
    • iPhone Xʀ • 404EDFDD-735E-454B-A576-70268D8A17C0 • ios            • com.apple.CoreSimulator.SimRuntime.iOS-12-2 (simulator)
    • macOS     • macOS                                • darwin-x64     • Mac OS X 10.14.5 18F132
    • Chrome    • chrome                               • web-javascript • Google Chrome 75.0.3770.100 


! Doctor found issues in 1 category.
```